automatic locking function of each drawerwith EVA liner for each drawerwith comfortable drawer pullswith embed side handles on chestsGas supporting struts on lidSteel thickness for drawer and fram abou 0.8mmNet weight:50kgsGross weight:55kgsPacking dimension:29.92in(76.0 cm)W x 20.39in(51.8 cm)D x 27.24in(69.2 cm )HLoading quantities:210pcs/40'GP26"9 chest